[名词解释] 无症状性脑梗死

Willis环 出血性脑梗死 白喉棒状杆菌易形成异染颗粒的培养基是() ["A．血平板","B．沙保培养基","C．亚碲酸钾平板","D．吕氏血清斜面","E．克氏双糖培养基"] 分水岭梗死 烟雾病 无症状性脑梗死